第10章输入/输出流 10.1输入/输出流概述 10.12流类库的结构 10S stream ostream iftream istrstream istream withassign oftream ostrstream ostream withassign iostream fstream strstream stdiostream streambuf iostream init filebuf strstreambuf stdiobuf10.1 输入/输出流概述 10.1.2 流类库的结构 第10章 输入/输出流 streambuf filebuf strstreambuf stdiobuf ostream ios istream iftream istrstream istream_withassign oftream ostrstream ostream_withassign iostream fstream strstream stdiostream Iostream_init